feat: basecamp-project skill

.pi/gsd/workflows/stats.md

@@ -0,0 +1,83 @@
+<gsd-version v="1.12.4" />
+
+<gsd-arguments>
+  <settings><keep-extra-args /></settings>
+</gsd-arguments>
+
+<gsd-execute>
+  <shell command="pi-gsd-tools">
+    <args>
+      <arg string="stats" />
+      <arg string="json" />
+      <arg string="--raw" />
+    </args>
+    <outs>
+      <out type="string" name="stats" />
+    </outs>
+  </shell>
+</gsd-execute>
+
+## Stats (pre-injected)
+
+<gsd-paste name="stats" />
+
+<purpose>
+Display comprehensive project statistics including phases, plans, requirements, git metrics, and timeline.
+</purpose>
+
+<required_reading>
+Read all files referenced by the invoking prompt's execution_context before starting.
+</required_reading>
+
+<process>
+
+<step name="gather_stats">
+Gather project statistics:
+
+```bash
+STATS=$(pi-gsd-tools stats json)
+if [[ "$STATS" == @file:* ]]; then STATS=$(cat "${STATS#@file:}"); fi
+```
+
+Extract fields from JSON: `milestone_version`, `milestone_name`, `phases`, `phases_completed`, `phases_total`, `total_plans`, `total_summaries`, `percent`, `plan_percent`, `requirements_total`, `requirements_complete`, `git_commits`, `git_first_commit_date`, `last_activity`.
+</step>
+
+<step name="present_stats">
+Present to the user with this format:
+
+```
+# 📊 Project Statistics - {milestone_version} {milestone_name}
+
+## Progress
+[████████░░] X/Y phases (Z%)
+
+## Plans
+X/Y plans complete (Z%)
+
+## Phases
+| Phase | Name | Plans | Completed | Status |
+| ----- | ---- | ----- | --------- | ------ |
+| ...   | ...  | ...   | ...       | ...    |
+
+## Requirements
+✅ X/Y requirements complete
+
+## Git
+- **Commits:** N
+- **Started:** YYYY-MM-DD
+- **Last activity:** YYYY-MM-DD
+
+## Timeline
+- **Project age:** N days
+```
+
+If no `.planning/` directory exists, inform the user to run `/gsd-new-project` first.
+</step>
+
+</process>
+
+<success_criteria>
+- [ ] Statistics gathered from project state
+- [ ] Results formatted clearly
+- [ ] Displayed to user
+</success_criteria>